Home / 88,451.56-122,088.90-70,670.44

Finding the Fourth Proportional to 88,451.56, 122,088.90 and 70,670.44

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Solution

The fourth proportional to 88,451.56, 122,088.90 and 70,670.44 is: 97,545.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,451.56 : 122,088.90 = 70,670.44 : x
  2. Step 2: Convert to fraction form
    88,451.56/122,088.90 = 70,670.44/x
  3. Step 3: Cross multiply
    88,451.56x = 122,088.90 × 70,670.44
  4. Step 4: Simplify right side
    88,451.56x = 8,628,076,282.12
  5. Step 5: Solve for x
    x = 8,628,076,282.12/88,451.56
  6. Step 6: Final answer
    x = 97,545.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.